<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<div id="app">
			<!-- 1.直接拼接 语法过于繁琐 -->
			<h2>{{firstName}} {{lastName}}</h2>
			<!-- 2.通过自定义methods -->
			<h2>{{getFullName()}}</h2>
			<h2>{{getFullName()}}</h2>
			<h2>{{getFullName()}}</h2>
			<h2>{{getFullName()}}</h2>
			<!-- 3.通过computed -->
			<h2>{{fullName}}</h2>
			<h2>{{fullName}}</h2>
			<h2>{{fullName}}</h2>
			<h2>{{fullName}}</h2>
		</div>
		<script src="../js/vue.js"></script>
		<script>
			const app=new Vue({
				el:'#app',
				data:{
					firstName:'kobe',
					lastName:'Bryant'
				},
				
				methods:{
					getFullName:function(){
						console.log('getFullName');
						return this.firstName+' '+this.lastName;
					}
				},
				computed:{
					fullName:function(){
						console.log('fullName');
						return this.firstName+' '+this.lastName;
					}
				}
			})
		</script>
	</body>
</html>
